docs: def go_to_preset(self, action=None, channel=0, preset_point_number=1):
          """
          Params:
              action              - start or stop
              channel             - channel number
              preset_point_number - preset point number
          """
          ret = self.command(
              'ptz.cgi?action={0}&channel={1}&code=GotoPreset&arg1=0'
              '&arg2={2}&arg3=0'.format(action, channel, preset_point_number)
          )
          return ret.content.decode('utf-8')